20783969289

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{739}}^1\times {\mathrm{72673}}^1$

素因数の和:73461

約数の個数: 24

約数和(自身を含む): 30761450720

約数和(自身を除く): 9977481431

約数列:

[1, 3, 9, 43, 129, 387, 739, 2217, 6651, 31777, 72673, 95331, 218019, 285993, 654057, 3124939, 9374817, 28124451, 53705347, 161116041, 483348123, 2309329921, 6927989763, 20783969289]

約数ペア:

[(1, 20783969289), (3, 6927989763), (9, 2309329921), (43, 483348123), (129, 161116041), (387, 53705347), (739, 28124451), (2217, 9374817), (6651, 3124939), (31777, 654057), (72673, 285993), (95331, 218019)]